7161000645 has 32 divisors (see below), whose sum is σ = 11526818688. Its totient is φ = 3796201728.

The previous prime is 7161000601. The next prime is 7161000677. The reversal of 7161000645 is 5460001617.

It is not a de Polignac number, because 7161000645 - 2²² = 7156806341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1826227 + ... + 1830143.

It is an arithmetic number, because the mean of its divisors is an integer number (360213084).

Almost surely, 2^7161000645 is an apocalyptic number.

It is an amenable number.

7161000645 is a deficient number, since it is larger than the sum of its proper divisors (4365818043).

7161000645 is a wasteful number, since it uses less digits than its factorization.

7161000645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 7161000645 is about 84622.6958031945. The cubic root of 7161000645 is about 1927.4860235747.

The spelling of 7161000645 in words is "seven billion, one hundred sixty-one million, six hundred forty-five", and thus it is an aban number.